package com.hotelvip.service;


import com.hotelvip.vo.Retail;
import com.hotelvip.vo.VipCardStatistics;

import java.util.List;

/**
 * @Author: ypb
 * @Date: 2021/3/1 10:16
 */
public interface StatisticsService {
    List<Integer> getTotalUsers();

    List<VipCardStatistics> getVipCardsByMonth(String date);

    Retail getRetail();
}
